Single monitor with alarm

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The National Luna single battery monitors can be used for any installation that requires careful monitoring of lead-acid battery condition. These monitors use digital technology for increased accuracy and feature low-voltage and over-charge warnings.

The single monitor is available with or without audible alarms. Models with audible alarms have a mute option as well as display on/off option. A brand-new recessed version of the single monitor is available which is flush-mounting and can be used for permanent installations such as caravans, trailers, solar installations and boats.